Neutron-rich nuclei produced at zero degrees in damped collisions induced by a beam of 18O on a 238U target

被引：11

作者：

Stefan, I. ^{[1
]}

Fornal, B. ^{[2
]}

Leoni, S. ^{[3
,4
]}

Azaiez, F. ^{[1
,12
]}

Portail, C. ^{[1
]}

Thomas, J. C. ^{[5
]}

Karpov, A. V. ^{[9
]}

Ackermann, D. ^{[5
]}

Bednarczyk, P. ^{[2
]}

Blumenfeld, Y. ^{[1
]}

Calinescu, S. ^{[8
]}

Chbihi, A. ^{[5
]}

Ciemala, M. ^{[2
]}

Cieplicka-Orynczak, N. ^{[2
,4
]}

Crespi, F. C. L. ^{[3
,4
]}

Franchoo, S. ^{[1
]}

Hammache, F. ^{[1
]}

Iskra, L. W. ^{[2
]}

Jacquot, B. ^{[5
]}

Janssens, R. V. F. ^{[6
,13
,14
]}

Kamalou, O. ^{[5
]}

Lauritsen, T. ^{[6
]}

Lewitowicz, M. ^{[5
]}

Olivier, L. ^{[1
]}

Lukyanov, S. M. ^{[9
]}

Maccormick, M. ^{[1
]}

Maj, A. ^{[2
]}

Marini, P. ^{[7
,15
]}

Matea, I. ^{[1
]}

Naumenko, M. A. ^{[9
]}

Santos, F. de Oliveira ^{[5
]}

Petrone, C. ^{[8
]}

Penionzhkevich, Yu. E. ^{[9
,11
]}

Rotaru, F. ^{[8
]}

Savajols, H. ^{[5
]}

Sorlin, O. ^{[5
]}

Stanoiu, M. ^{[8
]}

Szpak, B. ^{[2
]}

Tarasov, O. B. ^{[9
,10
]}

Verney, D. ^{[1
]}

机构：

[1] Univ Paris Saclay, Univ Paris Sud, Inst Phys Nucl, CNRS,IN2P3, F-91406 Orsay, France

[2] PAN, Inst Nucl Phys, PL-31342 Krakow, Poland

[3] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[4] INFN, Sez Milano, Via Celoria 16, I-20133 Milan, Italy

[5] CEA, GANIL, DRF, CNRS,IN2P3, Bvd Henri Becquerel, F-14076 Caen, France

[6] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA

[7] Univ Bordeaux, CENBG, CNRS, IN2P3, 19 Chemin Solarium, F-33175 Gradignan, France

[8] Horia Hulubei Natl Inst Phys & Nucl Engn, POB MG 6, Bucharest 077125, Romania

[9] JINR, Flerov Lab Nucl React, Dubna 141980, Russia

[10] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA

[11] Natl Res Nucl Univ MEPhI, Moscow, Russia

[12] IThemba LABS, POB 722, ZA-7129 Somerset West, South Africa

[13] Univ North Carolina Chapel Hill, Dept Phys & Astron, Chapel Hill, NC 27599 USA

[14] Duke Univ, Triangle Univ Nucl Lab, Durham, NC 27708 USA

[15] CEA, DAM, DIF, F-91297 Arpajon, France

来源：

PHYSICS LETTERS B | 2018年 / 779卷

基金：

俄罗斯科学基金会;

关键词：

Nuclear reactions; Deep-inelastic collisions; Exotic nuclei; N-14+TB-159 REACTION; 22; MEV/U; ENERGY; SPECTROMETER; SYSTEMATICS;

D O I：

10.1016/j.physletb.2018.02.037

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Cross sections and corresponding momentum distributions have been measured for the first time at zero degrees for the exotic nuclei obtained from a beam of O-18 at 8.5 MeV/A impinging on a 1 mg/cm(2) U-238 target. Sizable cross sections were found for the production of exotic species arising from the neutron transfer and proton removal from the projectile. Comparisons of experimental results with calculations based on deep-inelastic reaction models, taking into account the particle evaporation process, indicate that zero degree is a scattering angle at which the differential reaction cross section for production of exotic nuclei is at its maximum. This result is important in view of the new generation of zero degrees spectrometers under construction, such as the S3 separator at GANIL, for example. (C) 2018 The Author(s). Published by Elsevier B.V.

引用

页码：456 / 459

页数：4

共 30 条

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